Draw-gear or draft-rigging.



A. E. OS'ITRANDER. DRAW GEAR OR DRAPTRIGGING- APPLICATION FILED NOV. 2, 1907.

Patented Feb. 16, 1909,

Y E N M n A 6 SHEETS-SHEET 1.-

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MN NN KN N- MN A. E. OSTRANDER.

DRAW GEAR OR DRAFT RIGGING.

AYPLIGATION FILED NOV. 2,1907.

Patented Feb. 16, 1909.

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WITNESSES:

ATTORNEY A, E. OSTRANDER. DRAW GEAR 0R DRAFT RIGGI-NG.

APYLIOATION FVILED NOV. 2, 1901.

Patented Feb. 16, 1909.

a snare-SHEET a.

nwmron a e-s.

WITNESSES:

ATTORNEY 4 A. E. OSTRANDER. DRAW G OR DRAFT RIGGING.

APPLIOA N I'ILED NOV. 2, 1907.

912,723. I Patented Feb 1'6, 1

' ,6 SE B S-BHE WITNESSES; V 2 INVENTOR ATTORNEY A. E. OSTBAND ERQ DRAW-GEAR 0B. DRAFT RIGGING. APPLIIOAYTIOIT FILED NOV. 2, 1907.

Patented Feb. 16, 1909'.

6 SHEETS SHEET 5.

INVENTOR ATTORNEY WITNESSES:

E. OSTR ANDER. DRAW GEAR 0R DRAFT BIGGING.

APPLIOATIOH FILED NOV. 1,1907.

INVENTOR 8 WITNESSES:

ATTORNEY 3O creased efficiency and can be easily applied for repa rs to cars now 111 service on whlch To all whom it may concern:

ALLEN 'ED\VARD OSTRA N'DER, OF NE\V YORK, N. Y.

DRAW-GE AB on DRAFT-RIGGING.

' Specification of Letters Patent.

Patented Feb. 16, 1908.

Application filed November 2, 1907. Serial No. {100,336.

'Be it known that I, ALLEN E. OSTRANDER, acitizen of the United States, residin in New York, in- 'the county and State of Flew York, have invented a new, useful, and Im proved Draw-Gear or vDri'lft-Rigging, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to.

- travel.

make and use the same and which may be readily-understood by :referenceto the accompanying drawings, forming part of this specification. v

My invention relates to that class of draftrigging iii-which movable elements are used.

in connection with a spring or springs to develop frictional reslstance to coupler The object ofmy invention is 'to provide a draft-rigging, the resisting powerof whichis increased as and when .m'ostrequired, by.

,means of friction, which shall be of simple,

strong and durable construction and which is.preferablymompact enough to be adaptable for use in connection with the short coupler yoke now ordinarily used with a non-frictional rigging in which latter a spring-presents the only resisting power.

, By meetin I the above. conditions .I have; developed a raw-gear that willgive an inthe-type' of rigging used unay not he of;

sufficient strength to meetpre'sent service; conditions. V. Qwingto the limited space available in the above short. coupler yokc,'now adopted is not limited, for-use in repair work but is equally adaptable 'to new equipment, which 1 "may b'eany kindjofjrailway rolling stock;

- ClVIy invention consists-in the novel-Shape and arrangement of friction blocks and follower plates, used in conjunction with-"the as standard by the Master Ga'-r-Builders-;Asj.

sociation,.no other frictional device has been change in the proportions of the'yoke.

It should be understoodthat the device usual coupler, coupler yoke, follower stops,

and draft springs, as generally :appliedto railway cars, which elements willjdevfelo'l f'rictional resistance .to the coupler-Have resistance ;may' be gvariab le in i at d-ifierent}: points of ssaid couple T designgcan bmarnanged so' that of the .-follower plate taken on line .iEig.-:-7 {Fl {the movabfia "viewof the'fricti-on block shown in Fig. 11;. developed which can be, applied-without- '-the resistance will come tov a maximum at any polnt of said'travel' of the coupler, and

before the springs have been stressed to, or beyond their safe working capacity.

My invention also consists in certain novel features introduced in the construction of the friction blocks and follower plates as well as the combination and arran ement of the same whereby the desired resu ts are obtained, all as herein shown and described.

In the accompanying drawings, Figure l is a planfview,"partly in section, of vthe draftriggi'ng and attachment'for' afcar in which is embodied my invention; the sectional ,portion being taken on the line AA of Fig. 2; Fig. 2 is a' vertical section through center of "rigging" take-n longitudinzllly of the car on section similar to Fig.2 of a modification designed to *permitof use in a smaller verticals ace. I Fig. 7 is the plan view of one .o'fthe fo lower plates which is partly in section, sectional portion being takenon' line D'D 6f Fig. 9 ;v Fig. Sis the end elevation of v followe plnte shown in Figs. 7 and .9, show- Fig. 10 1s a fragmentary View of a Fig.,13 is a' sectional view ofa portion of.

the friction block taken online F F of Fig.

12;'F,ig.14 is an enlarged fragmentary secjtionjh'ereinafter fully explained; Fig. 15 is a diagrammatic plan of. the rigging with spring removedill'ustrating themovement of I e four friction producing elements under stressasmaybe produced in service; Fi 16 is aplan view sn'nilar to Fig. .1 and'i lustrate's my invention applied in tandem with an auxiliary spring; similar to Fig. 1. 1llustrating a' double tan-.

dem arrangement; thereof.

1g. 17 is a plan view -'In-the-drawin-gsz as shown 1. indicates the I1dSl1l-Of-fl car 'which'supports the carrier ,andfrwhich' 'ing method of lightening the weght'of this "detail; -Fig. 9- is the front elevation of fol- 1owe'r-; platelooking intov the friction pocket;

secured to the sills 33. The coupler 6 is.

fitted-With the customary-yoke or strap 7 and is supported in the. usual manner near the head 'by the coupler carrier iron 2. This arrangement is all'in accordance with the usually accepted standard practice of first class American railroads. The coupler yoke 7passes around the front and back follower plates 8 and: 9 which follower plates differng from .the usual construction of these details, are made with av pocket portion inclosed 'by' surface l21527--28, Fig. 9.

The movable" members 10 and 11 which we \Will call friction blocks extend into the friction pockets of the follower plates 8-9 and [bear normally against the friction faces of said plates indicated by number 12, the correspondingpbearing faces of the friction blocks being'referred to as l2 said friction ,blocks' being held in place by ,the spring 13.

In the construction-shown in the accompanying drawings I am able to use a spring of the ty e known as the M. C. B,

standard double coil helical draft spring which size while advantageous, because it is standard is not-essential to the successfhli operation of the; rigging.

A further advantage gamed by this invention istha't frictional resistance to longitudinal coupler travel is lncreased, without excessive wear: on the friction elements, in two ways a.

First: By the resisting power of the spring resulting in a certain amount of frictional resistance due to the movement under power required Second. After a'certain point in the travel when the friction blocks wil bear against the .ollower plates on all" the faces numbered 1-21214r15. This arrangement results in reducing the wear on the frictional contact faces thereby overcoming one of themost serious objections to a device of this class.

Vith the; tangentor flat contact'surfaces I have shown there-is a frictional resistance which for a limited amount of travel in.-

creases only with the increasi'n power of the springas. compressed until t e travel has reached that point 'where the next series of flat faces come in contact, then the bearing.

is changed to the more acute angle and we again have a. uniform increase of friction due tothe'spring pressure which will continue until. the maximum amount of travel is reached." Moreover the wearer, being distributed over a surface area rather than on a. line, would be greatly lessened, and at the instant of leaving one angle of contact A for the next both ofthe adj acent faces would be in contact making a further reduction in the wear atthis point where the abrupt change-or increasefin frictional resistance takes place. Y The movement of the separate arts understress will be more readily .un erstood by 80. reference to the diagrammatic plan Fig. 15v

which shows at an enlarged scale the-position of the elements under a medium bufiing or compressive force. A blow due to bufiing or pushing is first received on the coupler and transmitted through the shank to the front follower plate, 8. The tendency of the force is to move the whole device longitudinally'of the car which is prevented by the hack follower plate 9 having a bearing against 'the stops 55 that. 'a'resecuredto the sills; the front follower 8 ;is therefore moved toward I the back follower 9 thereby im arting a s'li ht movement to the friction locks 10 an .11, said movement being resisted by the spring 13. When the friction blocks have been movedto the positionas shownin full' lines in Fig. 15 the spring 'hasbeen compressed to a height represented by the transverse distance between spring bearing faces 16 and 17 on the blocks 10 and ll and the .frictional contact surfaces 12 12'- 14 and 15. all being in contact any further movement due to pushing of coupler will tend to trans fer the frictional hearing from surfaces --1212 to the acute angular frictional s'urfaces 14 and 15 and travel on this acute angle will cause the surfaces 12 of the friction blocks 9 and 10V to travel away from the surfaces 12 of the follower plates 8 and 9 .which travel will continue until the extreme movement of the rigging is reached. ,This limit is. reached when the faces 18 and 19-of the follower plates 8 and 9- are in contact, at t which time 't e springbearing faces offric. 115 tion blocks 16 and 17 will have reached'the Y positionsindicated by broken linesmarlted 1 6 and 17. The several "arts are so designed that when this con ition 'i's reached the springs would nothave been stressd'np to the limit of strength consequentlyunless l of defective -,workmanship or material they could not be broken in "service." The positionof theli -co n parts of "the devlce when at'reshisin icat'ed-by-dotted lines at'which time the-"spring: bearing. faces 16 and 17 of the friction-blocks will bein the positions indicated b' dotted lines 16! and 17" and, therefore, t e transverse distances between h 9 lines indicaftethe degrees therewith, said friction blocks having afpluorm may be obtaine comprising recesse a substantially convex shape.

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occupy more space it may be preferred in each element- 'a plurality of friction some new equ1 ment wherein. more space therefor. v In the tandem arrangement illustrated 4 in Fig. 17 the parts shown in Figs.- 1-15 in-. "elusive are substantially duplicated except that a fioating follower block 8 is interposed between the pairs of friction blocks 10-11,' the friction faces of said fioating member being multiplied to adapt them for simultaneous coo eration with the front and back pairs of iction blocks in service thereby multiplying the frictional resistance generated;

Having described the invention, what I I. In a draft-rigging, the combination comprising. frictionblocks and followerplates each of which is provided with a plurality of lane friction faces disposed at different ang es to the transverse axisof said draft-riggin 2. In .a v comprisin friction blocks and follower plates eaci .of which is rovided with a plurality of relatively flat riction'faces disposed at different angles tothe transverse axis of said draft-rigging and intermediate portions in approximately the same arc.

a draft-rigging,"'the combination comfprising follower plates and a plurality of iction' blocks, said friction blocks having relatively fiat' friction faces disposed at relatively different angles to the transverse axis of said draft-rigg ng.

4. Ina draft rigging, combination. comprising follower. plates and a plurality of friction :blocks, sa d friction blocks having friction faces comprising a plurality of" plane surfaces disposedht relatively different angles, to the transverse axis of said draft-riggin 5. In a raft-rigging, the combination follower :plates and spring actuated friction'blocks cooperating 'rality of flat friction faces arranged ,to

6. In a draft-ri ging, the combination comprising 'recesse f'ollower plates and spring actuated friction blocks cooperating therewith, said friction blocks having "sub-" stantially convex friction faces, parts of' which are plane surfaces.

i. In a comprising movable elements each having plane friction face portions adapted to alternately brought into contact. I 8. In a draft-rigging, the combination comprising movable elements each having fiat fllCtlOl'l faces arranged at different ain' gles and adapted to be alternately brought -.1nto contact.

.9- In a draftsri' ging, thecombination comprising a plum ity of movable: elements,

.bination :comprlsin draft-rigging, the combinationfaces said friction aces s0 disposed that at certain of faces in contact will be increased. 10. In 'a .draft-riggin the combination .compris'mgfa'. lurahty o movable elements, each element aving a plurality of friction faces, said frictionfaces beingl'disposed at relatively different angles to t e transverse 'axis of said draft-rigging and so disposed that at certain points of the movement the number of faces in contact will be doubled.-

-- 11. In a friction generating device, the combination of mova 1e elements having a plurality of relatively flat friction faces,

the normal-line of'the actuating force.

'12. In 'a friction drawear, the combination .of movable elements aving a plurality of lane friction faces, said-faces arranged at lied force. I

13... a friction combination of mova 1e elements having a plurality. of plane friction faces ,said faces avin'g an. intermediate connectingportion at the'junctiop of the ad'acent faces which faces are arranged at diderent angles with Ehe normal line of the actuating or resisting orce. 5

v 14. In a draft-rigging, th'e'combination comprising a-plural t o movable elements 'hav ng a plurality o friction face portions some of which arenormally in contact and means for increasin the number 'of friction face portions in' wor ing contact.

E 15. In a friction rigging, the combination comprising a spring actuatedmovable element and a codperating movable element each ofsaid elements havingfriction faces faces being adaptedto be alternately-brought into contact.

ments, each havin' a plurality of adjacent 'angularly dispose face portions j some of which are normally outjof contact, .said

'at one point of movement t e major portion 'of said face po'rtions'bfboth elements will be in contact.-

17. In a friction draft-rigging, the comfollower plates and friction. blocks havinga plurality of relativelyfiat friction faces arranged at different' angles and means for forcing 'said faces intoiconta'ct,said friction. blocks being 'arjrang'edjto 'contact 'on the inner side of a -re-.

cessed ortion of the follower plates.

bination 1. comprising follower inte ffa ce portions arra an'g es'and means for forcing and faces'into points of the movement the number" whichare angularly disposed and some of which are normally out of contact, 'said ;16. .In a frictional device, frictional elesaid faces arranged. at different angles with ifierent angles with the normal line of the ap raft-rigging, the combination crating device, they adjacent face portions bein so disposed that "18. 'n'ayfricti'on draft-rigging, the comlates and a friction blocks"= each having a p uralify of a't difierent craves contact, said contact surfaces being arranged with a longitudinally disposed. portion ex-- tending beyond the general plane thereof.

l9. in a friction raft-rigging, the 'combination comprising follower plates and friction. blocks each having a plurality of integral face portions arranged at, different angles and means for forc ng said faces into contact, said friction blocks being arranged to contact on the inner side of a recessed I portion of the follower plates and said contact surfaces being arranged with a longitudinally disposed rib near its middle portion. I I I 20. Ina friction drafts-gear, the combination comprising movable elements having a p u ty faces arranged at different angles.

' 21. Ina comprising'a movable Iriction block having a plurality of plane friction faces, saidfaces being arranged in pairs so disposed thatthe pair nearest the -middle portion of, said block form an obtuse angle with relation to each other and each succeeding pairform a lesser angle. 22. In a friction draftsrigging, the comb-ination comprising follower plates, movable friction blocks and aspring, said follower plates and friction; blocks having a plurality of plane friction faces sodisposed that the angularity of said faces with rela tion to the center line of the'springwill be greater for the faces adjacent than for the faces-more remote from said'line.

23.- In a frictional device provided with the areas of thefriction surfacesv in contact will increase and subsequentlydeerease dur- 1 mg movement of the parts.

24. In a frictional device provided with friction faces withjcurved and plane port'ions at different angles {to the transversev jcomprismg friction blocks and follower axis of said device, the ,combination comprising longitudinally movabl friction ele- 1y inovable elements so ar of the parts; 1 p 25. In a; friction device, the. combination will vary during. movement .comp'r1s1ng a series of longitudinally moviable friction elements and laterally-movable members'f having plane friction -"face's arranged; at ,various' angles with the nornial.

hum-"of f 'tlie actuating I force, 3 the frict on racesiofsaid movable" members having I gitudinal ribs;

v friction faces with curved portions and plane portions arranged -at various 26. I'n frictiondevice, the combination I 80 comprising a series of longitudinally mov able friction elements and of laterally'mov-V able members having relatively Vishaipe'd angles with the normal line of theactuating force,-

'bi-nation comprising'longit of substantially plane friction friction rigging, the combination friction areas of thefrietion sursaid friction v curved portions 'in approximately the same .115

having longitudinal ribs, 27. In a friction draftgin'g, the com-I pu m ally movable friction elements and laterally (movable. friction elements each having a plurality. of friction faces .withfpo'r't'ions thereof at differentangles so dis osed that the frictional. resistance develop thereby duringmovement will be increased at certain points of I movement thereof, 1 i

i 28. In a'fricti-on rigging, the, combination comprising longitudinally movable friction elementsand actuated friction producingelements having friction. faces .tangentially, disposed, said faces' having plane portions.

29.;11111 friction rigging,- the combination comprising friction blocks; and follower. I plates having friction face portions at different anglesjto the line 'of movement and adapted to be alternately" brought into con- I tact and,-m'eans for causing a max mum contact area. of friction s liifaces' at an intermediate point -'in the movement of said friction rigging, the" combination com rising'a pluralit of foI-, lower plates, friction blocks cooperating with each follower plate and a floating fric-. tion element cooperating with'said friction blocks, saidfloating element having faces each comprising plane surfaces and curvedsurfaces."

31. Ina tandemfriction device, the; com- 3.0. In a tandem bination comprising friction blocks and fol- 10blower plates each" of which is provided with a plurality of'friction faces each of which has portions thereof'disposed at differentangles to the transverse axis of said friction device andia floating element h'avingangu- 106 larlyidisposed plane frictionjfaces cooperating therewith said floatingelement being movable-longitudinallyof said device. I

32; In a 'friction'rigging, the combination plates eac h of which isprOV'ided with aplurality of plane friction faces disposed at different angles to' the transverse axis of rigging and with intermediate I are, one. of said follower'plates having Iric-v tion= faces normally disposed-at each side-of said; transverse axis.

33. In a tandem friction device, the com-' bination I comprising movable elements each :having a. plurality -of" friction :face portions adapted to be alternately brought into con tact, one of said elements being a floating follower provided with frictionv plane sur faces disposed at each side .of-t he transverse axis of said device.

bination comprisin a, plurality o follower plates, friction bloc s coia'peratlng therewith and an interposed friction element having a 189 I 34. In a tandem friction rigging? the com-.

' verse axis of said draft-rig%ing, and adapt- Correct ionin Letters Patent Nb.f912,723.

plurality of plane face portions and curved ments, each having a plurality of relatively portions some of which are normally in contact with all of'said friction blocks.

35. Ina draft-rigging, the combination comprising movable elements having frlction planes at different angles to the trans.-

ed -to be alternately broug t into. contact,

-- means for supporting said elements in' opercooperating s rings;

36. In a frlhtlonaldevice, frictional eleative' relation and a plurality of separate [only] fiat face portions some of which are nor-. mally separated and so disposed that at one point of movement the adjacent relatively flat faces of both elements illLhe in con tact. I v

In witness whereof I have hereunto set my hand .in the presence of two witnesses.

ALLEN EDWARD OSTRANDER. v Witnesses: l y

' E. W; SNOWDON,

' F. V. COOPER,

: in is hereby certified thatinLetters Patent No 912,723, granted Feh'ruary 16,1909,

I upon the application of Allen Edvy ard osfirandei, of New York, Y., for an improvement in Draw-Gear or Draft-Rigging, an error Appears in nlie rinted specification requiring correction, as follows: In line 70, page 2, the wo rdi wearer should read 1 m; and that the said Letters Patent should be readwith this correction therein that the same ma y'confoi'ln to the record of the case inthe Patent Oflice. I, I

Signed and sealed this 2nd day of- March A. 1)., 1909. i

v c. 0.;BILLINGS, I Acting C'ommieeioner of Patents.

' verse axis of said draft-rig%ing, and adapt- Correct ionin Letters Patent Nb.f912,723.

plurality of plane face portions and curved ments, each having a plurality of relatively portions some of which are normally in contact with all of'said friction blocks.

35. Ina draft-rigging, the combination comprising movable elements having frlction planes at different angles to the trans.-

ed -to be alternately broug t into. contact,

-- means for supporting said elements in' opercooperating s rings;

36. In a frlhtlonaldevice, frictional eleative' relation and a plurality of separate [only] fiat face portions some of which are nor-. mally separated and so disposed that at one point of movement the adjacent relatively flat faces of both elements illLhe in con tact. I v

In witness whereof I have hereunto set my hand .in the presence of two witnesses.

ALLEN EDWARD OSTRANDER. v Witnesses: l y

' E. W; SNOWDON,

' F. V. COOPER,

: in is hereby certified thatinLetters Patent No 912,723, granted Feh'ruary 16,1909,

I upon the application of Allen Edvy ard osfirandei, of New York, Y., for an improvement in Draw-Gear or Draft-Rigging, an error Appears in nlie rinted specification requiring correction, as follows: In line 70, page 2, the wo rdi wearer should read 1 m; and that the said Letters Patent should be readwith this correction therein that the same ma y'confoi'ln to the record of the case inthe Patent Oflice. I, I

Signed and sealed this 2nd day of- March A. 1)., 1909. i

v c. 0.;BILLINGS, I Acting C'ommieeioner of Patents.

Correction in Letters Patent No. 9121723.

It is hereby certified that in Letters Patent No. 912,723, granted February 16, 1909, upon the application of Allen Edward Ostrande r, of New York, Y., for an improvement in Draw-Gear or Draft-Rigging, an error appears in the printed specification requiring correction, as follows: In line 70, page 2, the word wearer should read wear; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Ofiice.

Signed and sealed this 2nd day of March, A. D., 1909.

[SEAL] C. C. BILLINGS,

Acting Commissioner of Patents. 

